Zte 302ZT User Manual page 76

Problem
 Poor network trunk quality on the
part of your service provider.
Echo or noise
 Poor local telephone line quality.
Your service provider does not support
Unable to select
these features, or you have not applied
certain features.
for services that provide these features.
 The battery or battery charger is
damaged.
 The phone's temperature is below
Battery will not
0°C or higher than 45 °C.
charge.
 Poor contact between the battery
and charger.
76
Possible causes Possible solution
Press and dial again.
You may be switched to a
better-quality network trunk or
phone line.
Press and dial again.
You may be switched to a
better-quality network trunk or
phone line.
Contact your service provider.
Contact the dealer.
Adjust the battery charging
environment to avoid extremes
of temperature
Check all connectors to make
sure all connections have been
properly made.